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London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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card numbers, was cards, was E-ZPass, was CharlieCards v.v. Oyster (and Octopus?)
In message , at 16:07:13 on Mon, 5 Mar 2012,
Stephen Sprunk remarked: Returning to trains, at a recent train show, the merchants had radio based credit card validators. They were wholly self contained and didn't require WiFi or anything else. A power outlet was nice to charge the battery but not necessary. The technology to do this has been available for more than a decade, and I've seen such terminals at several conventions over the years, though I can't recall how long ago the first one was. I've seen technology demonstrations of similar technology at conventions since the early 90's. But what they often forget to tell you is that they've parked a mobile base station round back, to provide the coverage. There are now even card reader and receipt printer add-ons for smartphones; I had a taxi driver run my card that way a year or two ago. There's lots of things you can do if you know you have the radio coverage. I've even given TV interviews from home, demonstrating "the future of mobile data". On that occasion the telco had installed a portable relay station on my garage roof! -- Roland Perry |
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